Respuesta :

Answer:

178.1g

Explanation:

m= n × MM

where

m is mass

n is moles &

MM is molecular mass

The molecular mass of cobalt is 58.933195. With this information and the number of moles given in the question, we can perform the calculation

m= 3.022 × 58.933195

m=178.09611529

m= 178.1g